<?php

class GismarkerController extends AccessRuleManager
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
			'postOnly + delete', // we only allow deletion via POST request
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	 
            public function accessRules()
            {
                    return array(
                            array('allow',  // allow all users to perform 'index' and 'view' actions
                                    'actions'=>array('index','view'),
                                    'users'=>array('*'),
                            ),
                            array('allow', // allow authenticated user to perform 'create' and 'update' actions
                                    'actions'=>array('create','update'),
                                    'users'=>array('@'),
                            ),
                            array('allow', // allow admin user to perform 'admin' and 'delete' actions
                                    'actions'=>array('admin','delete'),
                                    'users'=>array('admin'),
                            ),
                            array('deny',  // deny all users
                                    'users'=>array('*'),
                            ),
                    );
            }
        
	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($MarkerID)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($MarkerID),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Gismarker;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Gismarker']))
		{
                    $model->MarkerID = Gismarker::model()->count() +1;
			$model->attributes=$_POST['Gismarker'];
                        
                        $model->CreatedBy = Yii::app()->user->name;
                        $model->CreatedOn = Date('Y-m-d H:i:s');
                        
                        $model->MarkerImageURL = CUploadedFile::getInstance($model,'MarkerImageURL');
                        
			if($model->save()){
                            $fileURL = 'images/'.$model->MarkerImageURL;
                            
                            $model->MarkerImageURL->saveAs($fileURL);
                            $this->redirect(array('view','id'=>$model->MarkerID));
                        }
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($MarkerID)
	{
		$model=$this->loadModel($MarkerID);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Gismarker']))
		{
			$model->attributes=$_POST['Gismarker'];

                        $model->LastUpdateBy = Yii::app()->user->name;
                        $model->LastUpdateOn = Date('Y-m-d H:i:s');
                        $model->MarkerImageURL = CUploadedFile::getInstance($model,'MarkerImageURL');
			if($model->save()){
                            $fileURL = 'images/'.$model->MarkerImageURL;
                            
                            $model->MarkerImageURL->saveAs($fileURL);
                           
                            $this->redirect(array('view','id'=>$model->MarkerID));
                        }
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($MarkerID)
	{
                if(Yii::app()->request->isPostRequest)
		{
			try
			{
				// we only allow deletion via POST request
				$this->loadModel($MarkerID)->delete();
			}
			catch(Exception $e) 
			{
				$this->showError($e);
			}

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('index'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');

	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Gismarker');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
                $model=new Gismarker('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Gismarker']))
			$model->attributes=$_GET['Gismarker'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return Gismarker the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($MarkerID)
	{
                $model=Gismarker::model()->findByPk(array('MarkerID'=>$MarkerID));
		if($model==null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param Gismarker $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='gismarker-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
        
        public function saveModel($model)
	{
		try
		{
			$model->save();
		}
		catch(Exception $e)
		{
			$this->showError($e);
		}		
	}
        
        function showError(Exception $e)
	{
		if($e->getCode()==23000)
			$message = "This operation is not permitted due to an existing foreign key reference.";
		else
			$message = "Invalid operation.";
		throw new CHttpException($e->getCode(), $message);
	}
}
